"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 系统内部使用工具
Case Name   : gs_ctl start指定-t的值过小，启动备机
Create At   : 2021/01/15
Owner       : opentestcase015
Description :
    1.关闭正在运行的备机
    2.指定-t的值为1启动备机，10s后查看备机
    3.查看集群状态
Expect      :
    1.关闭正在运行的备机成功
    2.启动失败，10s后备机状态正常
    3.查看集群状态成功
History     :
    Modified by opentestcase027 2023/1/9: 优化用例步骤格式及一主两备判断方式
"""

import unittest
import time
import os
from testcase.utils.Constant import Constant
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro

LOG = Logger()
primary_sh = CommonSH('PrimaryDbUser')


@unittest.skipIf(3 != primary_sh.get_node_num(), '非1+2环境不执行')
class LogicalReplication(unittest.TestCase):
    def setUp(self):
        LOG.info(f'--------{os.path.basename(__file__)} start--------')
        self.constant = Constant()
        self.PrimaryNode = Node('PrimaryDbUser')
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.user_node = Node('Standby1DbUser')

    def test_system_internal_tools(self):
        LOG.info('--------step1:关闭正在运行的备机   expect:关闭成功--------')
        excute_cmd = f'''
                    source {macro.DB_ENV_PATH};
                    gs_ctl stop -D {macro.DB_INSTANCE_PATH} 
                '''
        LOG.info(excute_cmd)
        msg = self.user_node.sh(excute_cmd).result()
        LOG.info(msg)
        self.assertIn(self.constant.GS_CTL_STOP_SUCCESS_MSG, msg)

        LOG.info('--------step2:指定-t的值为1启动备机，10s后查看备机  '
                 'expect:启动失败，10s后备机状态正常--------')
        excute_cmd = f'''
                    source {macro.DB_ENV_PATH};
                    gs_ctl start -D {macro.DB_INSTANCE_PATH} -M standby -t 1; 
                        '''
        LOG.info(excute_cmd)
        msg = self.user_node.sh(excute_cmd).result()
        LOG.info(msg)
        self.assertIn(self.constant.could_not_start_sever, msg)
        time.sleep(10)

        LOG.info('--------step3:查看备机状态   expect:状态正常--------')
        status = self.sh_primary.get_db_cluster_status(param='detail')
        self.assertTrue(len(status.splitlines()) >= 10)
        self.assertIn('Standby Normal', status.splitlines()[-2])

    def tearDown(self):
        LOG.info('--------step4:启动备机   expect:成功--------')
        excute_cmd = f'''
                        source {macro.DB_ENV_PATH};
                        gs_ctl start -D {macro.DB_INSTANCE_PATH} -M standby; 
                    '''
        LOG.info(excute_cmd)
        msg = self.user_node.sh(excute_cmd).result()
        LOG.info(msg)
        status = self.sh_primary.get_db_cluster_status(param='detail')
        self.assertTrue(len(status.splitlines()) >= 10)
        self.assertIn('Standby Normal', status.splitlines()[-2])
        LOG.info(f'--------{os.path.basename(__file__)} end--------')
